The Only API
You'll Ever Need
Unify all your API needs with one powerful platform. Built for developers who value simplicity, performance, and reliability.
Real-time Analytics
Key Platform Features
OnlyOneAPI combines powerful technical capabilities with an elegant, intuitive experience that makes development more enjoyable and productive.
Interactive API Console
Test and explore APIs with immediate visual feedback in our interactive console that responds to your every action.
Responsive Analytics
Experience the joy of watching your API performance data come alive with interactive visualizations that reveal hidden patterns.
Adaptive Rate Limiting
Watch your rate limits intelligently adjust in real-time based on your usage patterns, giving you peace of mind and optimal performance.
Seamless Integration
Experience the satisfaction of APIs that integrate with your tools through a design that anticipates your workflow needs.
Interactive Documentation
Engage with documentation that responds to your learning style, making complex concepts intuitive through visual demonstrations.
Predictive Assistance
Delight in an API platform that anticipates your needs, offering contextual suggestions that feel like extensions of your thought process.
Development Workflow
Experience a streamlined development process designed to harmonize with your creative workflow, transforming technical integration into moments of discovery.
API Discovery
Start by browsing our interactive catalog where each API is presented with visual examples that demonstrate its capabilities.
Seamless Integration
Watch your code come to life as you integrate APIs with real-time previews that respond to every keystroke and adjustment.
Intelligent Testing
Test your implementation with our adaptive testing environment that automatically suggests scenarios based on your usage patterns.
Visual Analytics
Monitor performance with living dashboards that breathe with your API's rhythms, transforming data into intuitive visual patterns.
Everything You Need, Nothing You Don't
Built by developers, for developers. Every feature designed to make your life easier.
Lightning Fast
Sub-10ms response times with global edge deployment. Your users won't even blink.
Enterprise Security
SOC 2 compliant, end-to-end encryption, and automatic threat detection. Sleep well at night.
Unified Data Layer
One API to rule them all. Connect any data source and query it with a consistent interface.
Developer First
Beautiful documentation, SDKs in every language, and examples that actually work.
Auto-Scaling
From 0 to millions of requests. Pay only for what you use, scale without thinking.
Real-Time Everything
Webhooks, WebSockets, and streaming. Your data, delivered how you want it.
Built for Every Use Case
From startups to enterprises, OnlyOneAPI adapts to your needs
Document Processing
Extract data from PDFs, invoices, and contracts with AI-powered intelligence.
- PDF text extraction
- OCR & document analysis
- Invoice processing
Business Automation
Automate payroll, tax calculations, and financial workflows with 40+ endpoints.
- Payroll automation
- Tax calculations
- Contract parsing
Media & Content
Process images, videos, and audio with 150+ legacy service endpoints.
- Image manipulation
- Video transcoding
- Audio intelligence
Enterprise Platforms
Build scalable applications with authentication, user management, and secure storage.
- User authentication
- Secure vault storage
- Project management
Don't see your use case? We can help
Developer Resources
Everything you need to build, test, and optimize your integrations with our platform.
Comprehensive documentation with detailed examples for all endpoints
Ready-to-use code examples in multiple languages for common integration patterns
Step-by-step walkthroughs to help you master the platform's capabilities
Connect with other developers to share insights and best practices
Documentation You'll Actually Enjoy
400+ endpoints, clear examples, and comprehensive guides that make integration a breeze
Documentation
Get started in under 5 minutes
// Install the SDK
npm install @onlyoneapi/sdk
// Initialize the client
import { OnlyOneAPI } from '@onlyoneapi/sdk'
const api = new OnlyOneAPI({
apiKey: process.env.ONLYONEAPI_KEY
})
// Extract text from PDF
const response = await api.pdf.extractText({
fileUrl: 'https://example.com/document.pdf',
language: 'en'
})
console.log(response.extractedText)Transform Your API Experience with
OnlyOneAPI
Join thousands of developers who have discovered a new way to build, test, and scale their applications with APIs designed for delight.
Quick Start Guide
Welcome to OnlyOneAPI! This guide will help you get started in just a few minutes.
1. Get your API Key
First, you'll need an API key. Head over to the Portal to generate your key.
2. Make your first request
3. Explore the API
Check out our Playground to test endpoints interactively, or browse the API Reference tab above.
Try our popular Sentiment Analysis module to analyze text sentiment, entities, and keywords.
Stay Ahead of the API Game
Join 5,000+ developers getting exclusive insights, tutorials, and early access to new features. Zero spam, pure value.
What you'll get:
Early access to new API endpoints
Exclusive developer tutorials and guides
Best practices and integration tips
Product updates and roadmap insights
Next newsletter:"10 Ways to Optimize Your API Integrations"
Frequency: Bi-weekly, Tuesday mornings